After seeing this Auto launch countdown, I liked the idea of having ten seconds to put your Tx on the ground, pick up the plane and then wait for the motor to spin, before launching.
It seems that CONDITION_DELAY function works in FLIGHT PLAN menu in
Before a long time and many practice I learn to hand launch my Sw 168 but I'm not confort because I'm a small woman and it's an efford for me to launch my hevy sw with FPV, camera APM etc.so I saw Brett catapult and decided to build one
I really prefer the catapult launch for flying wings because of the reliability and small takeoff space requirement. I will be experimenting on using auto takeoff with this soon.
Credits to brettbb of RCgroups for the original design.
I took this video in Dublin during a visit to see a Demo of the Bramor UAV manufactured by C-Astral, the thing I like the most was their catapult. It is made from box alluminium and uses a winch to tension the bungees which are doubled up. A carriage